APA (7th ed.) Citation

ScienceDirect (Online service), United Nations, Curso Internacional de Hidrología Subterránea, Centro de Estudios e Investigación del Agua (Spain), Symposium and Workshop on Ground Water Economics, Custodio, E., & Gurguí, A. (1989). Groundwater economics: Selected papers from a United Nations symposium held in Barcelona, Spain. Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co..

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), United Nations, Curso Internacional de Hidrología Subterránea, Centro de Estudios e Investigación del Agua (Spain), Symposium and Workshop on Ground Water Economics, Emilio Custodio, and A. Gurguí. Groundwater Economics: Selected Papers from a United Nations Symposium Held in Barcelona, Spain. Amsterdam ; New York : New York, NY, U.S.A.: Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co., 1989.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Groundwater Economics: Selected Papers from a United Nations Symposium Held in Barcelona, Spain. Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co., 1989.